package cn.edu.zafu.bigdata.lyq.work4;

public class Rectangle extends Shape{
    private double length;
    private double width;
    public Rectangle(double length,double width){
        this.length = length;
        this.width = width;
    }
    @Override
    public double area(){
        return length * width;
    }
    @Override
    public  double perimeter(){
        return 2 * (length + width);
    }

}
